0% (1961)

0% (1954)

55% (1975)

0% (1979)

60% (1946)

60% (1970)

0% (1949)

60% (1977)

55% (1976)

70% (1986)

0% (1979)

0% (1975)

54% (1971)

0% (1980)

60% (1958)

70% (1981)

50% (1973)

59% (1950)

57% (1963)

50% (1980)